Question: Who gave the {discipline} of {published in journal} of {Fast-ion-beam laser and laser-rf double-resonance measurements of hyperfine structure in 83Kr II.} ?
Paraphrase: Who gave the {teach} of {distributed in diary} of {Fast-ion-beam laser and laser-rf double-resonance estimations of hyperfine structure in 83Kr II.} ?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q31930410 wdt:P1433 ?X . ?X wdt:P101 ?answer}
Answer: optics, atomic physics, molecular physics